First, it is perfectly normal to see no change at all during the first 2~3 weeks when it comes to fishless cycling without bacteria seeding.
Second, We usually add only enough ammonia to reach 2~6ppm concentration during fishless cycling. If your ammonia reading hasn't dropped, nor there is any sign of nitrite, there is no need to add more ammonia every day. Wait until nitrite to show up or ammonia start to decrease.
Third, to shorten the time you have to wait, you can get living bacteria products such as Tetra Safestart will jump start the fishless cycling process. You should start to see both nitrite and nitrate within a day or two, and the whole cycling might finish within days if you are lucky.
If you do not plan to get live bacteria product for jump start, you can also borrow a piece of filter media from an established aquarium. It will have similar effects as live bacteria product.
Fourth, if bacteria seeding is not an option, you will have to be a lot more patient. Judged from your current reports, it will take at least another month for your fishless cycling to complete.
By the way, what are you doing with the other two goldfish? Since you are cycling your 50 gallon tank, where are they now? Sometimes it might be the lesser of the two evils by putting the fish into a uncycled tank than to have them waiting on fishless cycling to complete in some even smaller containers.
